ECRF Dam: Experts Collect Samples of Rock, Soil at Polavaram for Testing and Use - Deccan Chronicle

ECRF Dam: Experts Collect Samples of Rock, Soil at Polavaram for Testing and Use  Deccan Chronicle

ECRF Dam: Experts Collect Samples of Rock, Soil at Polavaram for Testing and Use - Deccan Chronicle
ECRF Dam: Experts Collect Samples of Rock, Soil at Polavaram for Testing and Use  Deccan Chronicle